Method of improving salmon meat color
AssigneeJx Nippon Oil & Energy Corporation
InventorsKazuaki Hirasawa, Akira Tsubokura, Hisashi Yoneda
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Abstract
The present invention provides a salmon flesh color improving method and a salmon flesh color improving feed which are usable for producing a salmon having a mild reddish orange flesh color close to the flesh color of wild fish, and a salmon and fish flesh thereof produced by such a flesh color improving method. The present invention also provides a method for producing a salmon having a mild reddish orange flesh color, comprising cultivating the salmon with a feed comprising a carotenoid colorant mixed therein, the carotenoid colorant comprising at least astaxanthin, phoenicoxanthin, canthaxanthin and adonixanthin.
Claims11
A method for producing a salmon having a mild reddish orange flesh color, comprising cultivating the salmon with a feed comprising a carotenoid colorant mixed therein, the carotenoid colorant comprising at least astaxanthin, phoenicoxanthin, canthaxanthin and adonixanthin, wherein the product salmon contains astaxanthin, phoenicoxanthin, canthaxanthin and adonixanthin in fish flesh thereof, the content of astaxanthin in the feed is 20 to 100 mg/kg, the content of phoenicoxanthin in the feed is 5 to 80 mg/kg, the content of adonixanthin in the feed 1.0 to 40 mg/kg, the ratio of the content of adonixanthin with respect to the content of astaxanthin in the fish flesh of the produced salmon is 2.0 to 40%, and the ratio of the content of phoenicoxanthin with respect to the content of astaxanthin in the fish flesh of the produced salmon is 10 to 80%.
Dependencies are inferred from the claim text.